{
  "url": "https://classa.info/cities/london/mayfair-st-james",
  "title": "Mayfair & St James's, London — Class A submarket",
  "description": "The deepest hedge fund and family office cluster in EMEA.",
  "oneSentenceAnswer": "Mayfair & St James's is a trophy-tier Class A submarket of London with average asking rent around £165/sqft/yr · ≈ $210 PSF/yr USD.",
  "tldr": [
    "Highest per-foot office rents in EMEA.",
    "Period stock with Grade-listed constraints — limited new supply.",
    "Boutique tenant scale — 5-15,000 sqft is the norm."
  ],
  "keyFacts": {
    "city": "London",
    "neighborhood": "Mayfair & St James's",
    "tier": "trophy",
    "averageRentLocal": "£165/sqft/yr · ≈ $210 PSF/yr USD"
  },
  "faqs": [
    {
      "question": "Why are Mayfair rents so high relative to floor plate?",
      "answer": "Stock is permanently constrained by Grade-listed buildings, conservation areas, and small parcels. Trophy tenants pay for address, not floor efficiency."
    }
  ],
  "pageType": "neighborhood",
  "lastUpdated": "2026-04-15T00:00:00.000Z",
  "license": "CC BY 4.0 with attribution to Class A Atlas (https://classa.info).",
  "citation": "Source: Class A Atlas (https://classa.info/cities/london/mayfair-st-james), updated 2026-04-15T00:00:00.000Z."
}